20104551719

素因数分解:

$7^1\times {\mathrm{19}}^2\times {\mathrm{7955897}}^1$

素因数の和:7955942

約数の個数: 12

約数和(自身を含む): 24249577104

約数和(自身を除く): 4145025385

約数列:

[1, 7, 19, 133, 361, 2527, 7955897, 55691279, 151162043, 1058134301, 2872078817, 20104551719]

約数ペア:

[(1, 20104551719), (7, 2872078817), (19, 1058134301), (133, 151162043), (361, 55691279), (2527, 7955897)]